a sweat house or steambath
S. L. Cline, Colonial Culhuacan, 1580-1600: A Social History of an Aztec Town (Albuquerque: University of New Mexico Press, 1986), 237. See also Sarah Cline, "The Testaments of Culhuacan," in James Lockhart, Lisa Sousa, and Stephanie Wood, eds., Sources and Methods for the Study of Postconquest Mesoamerican Ethnohistory (Eugene, OR: Wired Humanities Project, e-book, 2007.